Technical data

Maintenance

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The D190 remission densitometer can be operated either with a nickel-cadmium or a

metal-hydride battery.

The battery type is coded on the connector and will be registered by the software.

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Use only original GretagMacbeth accessories and spare parts.

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8.1 Battery replacement

The battery can be replaced without tools by the user.

Procedure:

• Open battery compartment cover (snap connection).

• Remove battery and disconnect plug.

• Plug in cable of new battery (coded plug).

• Insert new battery in compartment and close cover.

8.2 Adjustment of the measuring aperture

Procedure:

• Unscrew mounting screws of measuring aperture until aperture can be

moved.

• Manually set adjustment knob to position A.

• Withdraw measuring module manually until adjustment knob is in

position B (matched arrows).

• Insert white paper between measuring module and measuring aperture.

• Switch on measuring lamp: Settings

k Device settings k Measure

system

k Lamp <on>.

• Center measuring aperture on light spot.

• Retighten mounting screws.

8.1 – 8.2